Citizens queue to receive COVID-19 tests in Qingdao, east China's Shandong Province, Oct. 12, 2020. Qingdao has completed nucleic acid testing and sampling for more than 1 million people, announced the information office of the municipal government Monday evening at a press conference. No new cases were tested positive so far based on over 310,000 available test results. (Xinhua/Li Ziheng)